Kub uchun nechta simmetriya tekisligi mavjud? A b c d 10 e 6

1. Kub uchun nechta simmetriya tekisligi mavjud?
A) 8 B) 9 C) 7 D) 10 E) 6
2. Kubning barcha qirralari yig’indisi 96. Uning hajmini toping.
A) 256 B) 216 C) 384 D) 64 E) 512
3. Kubning yon yog’ining yuzi 16 ga teng. Kubning hajmini toping.
A) 60 B) 62 C) 66 D) 64 E) 68
4. Tomoni 4 ga teng bo’lgan kubning uchidan shu uch bilan umumiy nuqtaga ega bo’lmagan yog’ining simmetriya markazigacha bo’lgan masofani toping.
A) 2√ 6 B) 2√ 3 C) 2√ 2 D) 3 E) 2
5. Kubning barcha qirralari yig’indisi 48 ga teng. Kub sirtining yuzini toping.
A) 96 B) 24 C) 36 D) 48 E) 56
6. To’g’ri burchakli parallelepiped asosining tomonlari 7sm va 24 sm. Parallelepipedning balandligi 8 sm. Diagonal kesimining yuzini toping.
A) 168 B) 1344 C) 100 D)200 E) 672
7. Chiziqli o’lchovlari 3;4 va 2√ 14 sm bo’lgan to’g’ri burchakli parallelepipedning diagonali necha sm?
A) 8 B) 7 C) 10 D)9 E) 6
8. To’rtburchakli muntazam prizma asosining yuzi 144 sm2 , balandligi 14 sm. Shu prizma diagonalini toping.
A) 12√ 2 B) 18 C) 22 D)16 E) 24
9.) Asosi kvadrat bo’lgan to’g’ri burchakli parallelepiped uchun nechta simmetriya tekisligi mavjud?
A) 9 B) 7 C) 3 D)5 E) 4
10. Ixtiyoriy to’g’ri burchakli parallelepiped uchun kamida nechta simmetriya tekisligi mavjud?
A) 4 B) 2 C) 3 D)5 E) 1
11. Muntazam to’rtburchakli piramidaning balandligi 6 sm, apofemasi esa 6, 5 sm. Piramida asosining perimetrini toping.
A) 10 B) 12 C) 24 D) 20 E) 8
12. Muntazam piramida yon sirtining yuzi 48 ga, apofemasi 8 ga teng. Piramida asosining perimetrini toping.
A) 6 B) 12 C) 8 D) 10 E) 14
13. Muntazam piramida yon sirtining yuzi 96 ga, asosining perimetrini 24 ga teng. Piramidaning apofemasini toping.
A) 16 B) 10 C) 6 D) 8 E) 12
14. Muntazam uchburchakli piramidaning balandligi 4 ga, asosining balandligi esa 4,5 ga teng. Piramidaning yon qirrasini toping.
A) 6 B) 6, 5 C) 5 D) 5, 5 E) 5, 3
15. Muntazam uchburchakli piramidaning balandligi 4 ga, asosining balandligi esa 4,5 ga teng. Piramidaning yon qirrasini toping.
A) 6 B) 6, 5 C) 5 D) 5, 5 E) 5, 3
16.Hajmi 36 ga teng bo’lgan muntazam to’rt-burchakli piramidaning asosidagi ikki yoqli 288 burchagi 450 ga teng. Piramida asosining tomonini toping.
A) 6 B) 8 C) 4 D) 12 E) 10
17. To’rtburchakli muntazam piramida asosining tomoni 4 marta kattalashtirildi, balandligi esa 4 marta kichiklashtirildi. Hosil bo’lgan piramida hajmining dastlabki piramida hajmiga nisbatini toping.
A) 1 : 16 B) 16 : 1 C) 1 : 1 D) 1 : 4 E) 4 : 1
18. To’rtburchakli muntazam piramida asosining tomoni 3 marta kattalashtirildi, balandligi esa 3 marta kichiklashtirildi. Hosil bo’lgan piramida hajmining dastlabki piramida hajmiga nisbatini toping.
A) 3 : 1 B) 1 : 3 C) 9 : 1 D) 1 : 9 E) 1 : 1
19. To’rtburchakli muntazam piramidaning hajmi 48 ga balandligi 4 ga teng. Piramida yon sirtining yuzini toping.
A) 120 B) 144 C) 60 D) 96 E)72
20. Hajmi 48 bo’lgan to’rtburchakli muntazam piramida asosining tomoni 6 ga teng. Piramida yon sirtining yuzini toping.
A) 144 B) 60 C) 72 D) 120 E)96